— Oct. 7, 2012: Mexican marines kill Heriberto Lazcano Lazcano, alias “El Lazca,” a founder and top leader of the Zetas. His body is later stolen from a funeral home. Trevino Morales takes over the Zetas.

— Dec. 9, 2010: Mexican federal police kill Nazario Moreno Gonzalez, leader of the La Familia Michoacana cartel, during a gunfight in the village of El Alcalde. His body was never recovered, and rumors have persisted that Moreno, known as “the Craziest One,” is still alive.

— July 29, 2010: Mexican army raids a house in the town of Zapopan and kills Ignacio “Nacho” Coronel, one of the top leaders of the Sinaloa Cartel.